US3123245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dumpis
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:06
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN A REPLACEMENT TYPE OF CORE PLUG FOR A CORE HOLE IN A WATER JACKET HAVING (A) THREADED STEM, (B) AN ANCHOR ON SAID STEM ADAPTED TO HOLD THE STEM IN SAID CORE HOLE, (C) A CIRCULAR DISK ON SAID STEM, AND (D) NUT MEANS ON SAID THREADED STEM TO CLAMP SAID DISK IN PLACE OVER SAID CORE HOLE IN THE WATER JACKET, THE IMPROVEMENT COMPRISING, (1) A GASKET ADAPTED TO SEAL THE JOINT BETWEEN SAID DISK AND WATER JACKET WHEN CLAMPED THEREBETWEEN, (2) A BUSHING-LIKE MEMBER OF DUCTILE MATERIAL HAVING A FLANGE PORTION SEATED ON THE OUTER SURFACE OF SAID DISK AROUND SAID STEM AND A CYLINDRICAL PORTION OF SMALLER DIAMETER EXTENDING ALONG SAID STEM, AND (3) A CONICAL SEAT IN SAID NUT MEANS SURROUNDING THE CYLINDRICAL PORTION OF SAID BUSHING-LIKE MEMBER ADAPTED TO WEDGE SAID PORTION OF SAID MEMBER INTO THE THREADS ON SAID STEM AND FORM A SEATING SURFACE ON SAID MEMBER COMPLEMENTARY TO SAID CONICAL SEAT WHEN SAID NUT MEANS IS TIGHTENED.
Claim 2
Dependent Claim
166 words
IN A REPLACEMENT TYPE OF CORE PLUG FOR A CORE HOLE IN A WATER JACKET HAVING (A) THREADED STEM, (B) AN ANCHOR ON SAID STEM ADAPTED TO HOLD THE STEM IN SAID CORE HOLE, (C) A CIRCULAR DISK ON SAID STEM, AND (D) NUT MEANS ON SAID THREADED STEM TO CLAMP SAID DISK IN PLACE OVER SAID CORE HOLE IN THE WATER JACKET, THE IMPROVEMENT COMPRISING, (1) A GASKET ADAPTED TO SEAL THE JOINT BETWEEN SAID DISK AND WATER JACKET WHEN CLAMPED THEREBETWEEN, (2) A BUSHING-LIKE MEMBER OF DUCTILE MATERIAL HAVING A FLANGE PORTION SEATED ON THE OUTER SURFACE OF SAID DISK AROUND SAID STEM AND A CYLINDRICAL PORTION OF SMALLER DIAMETER EXTENDING ALONG SAID STEM, AND (3) A CONICAL SEAT IN SAID NUT MEANS SURROUNDING THE CYLINDRICAL PORTION OF SAID BUSHING-LIKE MEMBER ADAPTED TO WEDGE SAID PORTION OF SAID MEMBER INTO THE THREADS ON SAID STEM AND FORM A SEATING SURFACE ON SAID MEMBER COMPLEMENTARY TO SAID CONICAL SEAT WHEN SAID NUT MEANS IS TIGHTENED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |